P120 Service Manual - Merits Health Products
Contents
1. Use screwdriver to loosen the screw 8 07 and draw out the pull pin 8 05 use hex tools and wrench to loosen the screw 8 02 and nut 8 04 and then replace the footplate 8 01 if it is worn out or deformed To replace the caster assembly When should you replace the caster assembly If your caster assembly is deformation If the caster assembly out of shape due to an accident If the caster assembly is worn out If the caster assembly is pierced by something How to replace the caster assembly Please proceeding steps as follows if it has to replace OF OOOO The caster assembly is composed of a caster stem and fork Fix the caster in place remove the cap 1 18 page 8 first use wrench to loosen the nut 2 09 and remove the caster assembly See next page 1 Replace the caster assembly 2 1 if it is found to be deformed See next page 2 Use wrench to loosen the nut 2 08 Replace the caster 2 04 if it is worn out or deformed See next page 3 Use wrench to loosen the nut 2 03 Replace the fork 2 01 or stem 2 02 if it is worn out or deformed 2 2 4 To replace the driven wheel assembly When should you replace the driven wheel assembly If your driven wheel assembly is deformation If the driven wheel assembly out of shape due to an accident If the driven wheel assembly is worn out If the driven wheel assembly is pierced by something How to replace the driven wheel assembly Pl2. Merits P1 2 0 series Service Manual 1 TGR OG GCION sick orci aide i viccaccdicswsecorecccctadatetsashesosceSdesatucetecercndiessiecs Dig Service Gde sn a a a aaa 2 1 How to replace or repair the seat assembly sssssssssseceees 2 1 1 To replace the seat body ces cacosssae cea sdutcdenacuievestetssnenteadedetcnnzendineds 2 1 2 To replace the seat base plate assembly ccssssccccceceeeeseseetnteeeeees 2 1 3 To replace the armrest ASsemb ly cocc csavesskescceianesswussvenavatantencensueavesebeder 2 2 How to replace or repair the body assemblly sssssssseeeees 2 2 1 To replace the battery pack assembly sevsccicccssccdvnssiwesnsestacdouccseeuaunpaesedes 2 2 2 lo replace the footplate eiei 2 2 3 To replace the caster assembly aces seen cence coun scec eases earecnameeaarmanmadens 2 2 4 To replace the driven wheel assembly ccessscccccceeceeeeeeeesntteeeeees 2 2 5 To replace the motor amp gearbox asseMbly cccccccccccceeeeeeeesstteeeeees 2 2 6 To replace the frame assembly ie ict c2teinses ibindestteiaucisdveatesdesaacerddbuatenesees The numbers show in this service manual is just for reference The part numbers should be in accordance with current exploded chart 1 Introduction The purpose of this manual is to provide dealers and or distributors with the product information and instructions that are required for servicing the P120 powerchair 2 Service Guide T
3. circuit breaker can not reset or broken How to replace the battery pack assembly or relation parts Please proceeding steps as follows if it has to replace 1 Replace the lower cover assembly by following steps if it is worn out or broken a Use screwdriver to loosen six screws 9 55 to open the cover assembly Pull out the connector of all harness and enable the low cover assembly and the upper cover assembly to separate b Replace the battery 9 54 if it has a breakdown c Remove two batteries Replace the lower cover 9 53 if it is broken or worn out 2 Replace the upper cover assembly by the following steps if it is worn out or broken a Follow preceding step above b Loosen the circuit breaker cap 9 69 by hand Use wrench to loosen the nut 9 70 then replace the circuit breaker 9 63 if it is broken c Use screwdriver and wrench to loosen the screw 9 60 and nut 9 62 and then replace the charger socket set 9 59 if it is broken d Hold the handle 9 51 in place and use screwdriver to loosen four screws 9 55 and then replace the upper cover 9 52 or the handle 9 51 if it is broken or worn out Be 9 67 9 69 2 2 2 2 2 3 To replace the footplate When you should replace the footplate Ifthe footplate is deformation If the footplate out of shape due to an accident How to replace the footplate Please proceeding steps as follows if it has to replace
4. ease proceeding steps as follows if it has to replace OF OOOO Use wrench to loosen the nut 5 10 Replace the driven wheel assembly 5 2 if it is worn out or deformed 2 2 5 2 2 6 To replace the motor amp gearbox assembly When you should replace the motor amp gearbox assembly lt gt If the motor amp gearbox assembly has noise lt gt Ifthe motor amp gearbox assembly can t drive the powerchair lt gt If the motor amp gearbox assembly out of shape due to an accident lt gt If the motor amp gearbox assembly is deformation How to replace the motor amp gearbox assembly lt gt Please proceeding steps as follows if it has to replace 1 Replace the motor amp gearbox assembly 5 1 by the following steps if it has a breakdown See page 6 a Remove the driven wheel 5 2 The step is same as 2 2 4 b Use hex tools to loosen the screw 5 13 and then replace the motor amp gearbox assembly See page 6 2 Replace the motor 5 01 if it has a breakdown Use hex tools to loosen the screw 5 14 and then replace it See page 6 3 Replace the carbon brush 5 02 if it has a breakdown Use screwdriver to loosen the carbon brush cap 5 03 and then replace it See page 6 To replace the frame assembly When you should replace the frame assembly lt gt Ifthe frame assembly is deformation lt If your powerchair can not avoid knocked or bumped cause the frame assembly is defo
5. he P120 powerchair consists of three main parts E Seat assembly E Body assembly E Electrical system Please refer to P1 amp P2 series for VSI controller service manual 2 1 How to replace or repair the seat assembly The seat assembly includes the seat body and the seat base plate assembly and the armrest assembly 2 1 1 2 1 2 To replace the seat body When you should replace the seat body Ifthe seat body is worn out Ifthe seat body is pierced or scratched by something lt gt If the powerchair crashed cause the seat body out of shape How to replace the seat body lt gt Please proceeding steps as follows if it has to replace Replace the seat body by the following steps if it is broken a Push down the seat free bar 1 23 page 8 to release the seat assembly 4 1 from the frame and pull out it See next page b Use hex tools to loosen four pieces screw 4 13 on seat base plate assembly and remove the seat body 4 01 from the seat base plate assembly if it is broken See next page To replace the seat base plate assembly When you should replace the seat base plate assembly lt gt Ifthe seat base plate is deformation lt gt Ifthe seat base plate out of shape due to an accident How to replace the seat base plate assembly Please proceeding steps as follows if it has to replace Follow preceding step of 2 1 1 You can remove seat base plate assembly 4 2 too if it is worn o
6. rmed Ifthe frame assembly is out of shape due to an accident How to replace the frame assembly lt Please proceeding steps as follows if it has to replace The frame assembly is composed of the folding mechanice form the bolt connect form the folding shaft form and the frame Replace the frame by following steps if it is worn out or deformed a Remove the seat assembly the battery pack assembly the footplate the caster assembly and motor and gearbox assembly by step 2 1 2 2 1 until 2 25 previously b Use hex tools hold the screws 1 12 and 1 14 and use wrench to loosen the nuts 1 13 and 1 15 to remove the folding mechanism form 1 10 See next page c Pull out the pull pin 1 28 by hand first Use hex tools hold the screw 1 08 and use wrench to loosen the nuts 1 09 to remove the bolt connect form 1 06 d Use hex tools hold the two screws 1 04 and loosen the two nuts 1 05 to remove the folding shaft form 1 02 e Use hex tools hold the screw 1 44 and loosen the nut 1 45 to remove the battery box locked form 1 38 f Use driver screw to loosen the eight screws 1 50 and remove two 9P fixed plate shelves 1 49 g Check for deformations or cracks on the frame and replace the frame 1 01 should they exist The srcew has to with locktite ee is Pa 1 29 A 2 Sa S Rg i
7. ut or deformed 2 1 3 To replace the armrest assembly When you should replace the armrest assembly If the armrest assembly is worn out If the armrest assembly is pierced or scratched by something If the powerchair crashed cause the armrest assembly out of shape How to replace the armrest assembly Please proceeding steps as follows if it has to replace OF OOO 1 Loosen the knob 4 16 by hand if the armrest assembly 4 3 is worn out or deformed and then replace it See next page 2 Use hex tools to loosen the screw 4 35 under armrest to disassemble armrest from armrest support plate If the armrest pad 4 34 is broken then replace it See next page 2 2 3 Check for deformations or cracks on the armrest protective shroud 4 43 or 4 45 Use screw driver to loosen these two screws 4 44 and then replace it i 4 38 E Fa r i 4 37 How to replace or repair the body assembly The body assembly is composed of the battery pack assembly the footplate the caster assembly the driven wheel assembly the motor amp gearbox assembly the frame assembly and so on 2 2 1 To replace the battery pack assembly When you should be replace the battery pack assembly or relation parts Ifthe battery pack assembly or relation parts are worn out or broken If scooter can not avoid knocked or bumped cause the battery pack assembly broken lt gt Ifthe batteries seem weak lt gt Ifthe
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